:root {
  --bg: #f4f6f5; --panel: #ffffff; --ink: #1b2422; --muted: #5f6b68; --line: #dde3e1;
  --brand: #1f6f6b; --brand-ink: #ffffff; --accent: #e9f3f2; --danger: #b3261e; --ok: #1e7f4f; --warn: #a66a00;
  --radius: 10px; --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 16px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #121716; --panel: #1b2221; --ink: #e8eeec; --muted: #9aa8a4; --line: #2b3533; --brand: #3aa39d; --brand-ink: #0b1413; --accent: #1f2d2b; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif; }
a { color: var(--brand); }
.muted { color: var(--muted); }
.error { color: var(--danger); }
button, input, select, textarea { font: inherit; color: inherit; }
.btn { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 7px 12px; cursor: pointer; }
.btn:hover { background: var(--accent); }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 3px 8px; font-size: 13px; }

/* layout */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--line); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow: auto; }
.side .brand { font-weight: 700; padding: 6px 10px 14px; display: flex; gap: 8px; align-items: center; }
.side nav a { display: block; padding: 8px 10px; border-radius: 8px; color: var(--ink); text-decoration: none; }
.side nav a.active, .side nav a:hover { background: var(--accent); color: var(--brand); }
.side .foot { margin-top: 16px; padding: 10px; font-size: 13px; }
.main { padding: 22px 28px 60px; min-width: 0; }
.topbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.topbar h1 { margin: 0; font-size: 22px; }
.topbar .tools { display: flex; gap: 8px; flex-wrap: wrap; }
.topbar input[type=search] { padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); min-width: 200px; }
.menu-btn { display: none; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.card .n { font-size: 26px; font-weight: 700; }
.card .l { color: var(--muted); font-size: 13px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; }
.panel table td { white-space: normal; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); overflow-x: auto; min-width: 0; }
.panel h2 { margin: 0 0 10px; font-size: 16px; }
.hint { background: var(--accent); border-radius: 8px; padding: 10px 12px; margin-bottom: 14px; font-size: 14px; }

/* tables */
.tablewrap { overflow: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; white-space: nowrap; }
td.wrap { white-space: normal; max-width: 360px; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; position: sticky; top: 0; background: var(--panel); }
tr:hover td { background: var(--accent); }
tr.clickable { cursor: pointer; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--accent); color: var(--brand); }
.pill.ok { background: #e3f3ea; color: var(--ok); }
.pill.warn { background: #fff3dc; color: var(--warn); }
.pill.bad { background: #fde7e5; color: var(--danger); }
.empty { padding: 28px; text-align: center; color: var(--muted); }

/* modal form */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; overflow: auto; z-index: 10; }
.modal .box { background: var(--panel); border-radius: 12px; width: min(720px, 100%); padding: 20px 22px; box-shadow: var(--shadow); }
.modal h2 { margin: 0 0 12px; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.form label.full { grid-column: 1 / -1; }
.form input, .form select, .form textarea { padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
.form textarea { min-height: 90px; resize: vertical; }
.form .checks { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.form .checks label { flex-direction: row; align-items: center; color: var(--ink); }
.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.actions .spacer { flex: 1; }

/* calculator */
.calc { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.calc .out { font-size: 15px; }
.calc .out .big { font-size: 28px; font-weight: 700; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; z-index: 20; }

.login-body { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 28px; width: min(380px, 100%); box-shadow: var(--shadow); }
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; margin: 16px 0; }
.login-card input { padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }

@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .side { position: fixed; left: -240px; width: 230px; transition: left .2s; z-index: 15; box-shadow: var(--shadow); }
  .side.open { left: 0; }
  .menu-btn { display: inline-block; }
  .main { padding: 16px; }
  .grid2, .calc, .form { grid-template-columns: 1fr; }
  .form .checks { grid-template-columns: 1fr; }
}